Bar hanger



June 17, 1941. E. H. RUGG `ErAL BAR HANGER Filed Dec. 8. 1938 .5,3m w. 560% h I? f C .EHC ...w n.aeg/MA err .a rmdenmm EG Patented June 17, 1941 UNITE ST PATENT OFFICE BAR HANGER Edward H. Rugg and George Carlson, Bridgeport, Conn., assigner to General Electric Company, a

This invention relates to an adjustable support for wiring material, and more particularly to an adjustable bar hanger and stud :for supporting electrical ittings such as outlet boxes or the like.

members or joists simply by rotating the bar hanger about its center and moving the curved ends along the supporting members until they are tangent thereto. At this point an appropri- It is an object'of the invention to provide an 5 ate securing means such as a nail or screw may improved construction and arrangement in debe inserted through one of the openings I3 and vices of the type described in which the bar driven into the supporting member to secure the hanger may be adjusted for positioning between bar hanger in place. This arrangement is shown supports having various spacings and in which most clearly by comparing the showings of Figs. the bar hanger and stud may be adjusted .to supl@ 2 and 3. It will be seen from an examination of port various sizes of outlet boxes. Fig. 3 that the supporting members il' are closer In the accompanying drawing Fig. l is an eletogether than in the showing of Fig. 2 and that vational view showing the bar hanger and stud the bar hanger has been rotated to move the exmounted between spaced supports; Fig. 2 is a. plan treme ends of the hanger away from the side of view of the device shown by Fig. l; Fig. 3 is a plan 15 the supporting members and the bar hanger has view similar to the showing of Fig. 2, but with been secured to the members at the points which the device mounted between supports spaced are tangent thereto by means of a nail or screw apart a shorterdistance; Fig. 4 is a view, partly inserted through the appropriate opening I3. in section, of the stud showing positioning tag Cooperating with the bar hanger i is a stud I5 mounted thereon; rig. 5 is a sise View or te@ stud 2o hanne a body provided with a slot I6 at one end 'and positioning tag, and Mg. o illustrates the for receiving the bar hanger I0 and provided with positioning tag which is mounted on the stud. a threaded extension i1 at the other end for Referring to the drawing, the invention emmounting an outlet box i8. The threaded exploys a bar hanger it which may be of rectangntension il is recessed, as shown at i9, for the re-1 lar shape and which is preferably constructed of ception ol a screw 2l) which extends through the strong and rigid material capable oi withstanding body of the stud into the slot I6 where it engages considerable weight. The bar hanger is provided the bar hanger ID. In order to lock the stud in with a substantially straight intermediate portion correct position upon the bar hanger, it is only il and the ends of the hanger are curved at i2 necessary to tighten down on the screw 20 by in opposite directions away from the plane of the 3@ means of a screw driver which may be inserted intermediate portion to give the bar hanger e. sub-= through the open end of the outlet box. A nut stantially e-shepe Each end of the hanger is El is threaded on to the extension il in order to provided with a plurality of spaced holes is secure the outlet box thereon. In mounting an which extend inwardly for some distance from the outlet bon on the stud, the nut 2l is removed and ends of the hanger and which are adapted to the threaded end il inserted through an approreceive suitable securing means, such as nails or priate opening in the bottom of the outlet box and screws, for mounting the bar hanger on supportthereafter the nut 2l is replaced and tightened ing members it. In the form of the invention down on the bottom of the box to retain it in illustrated the supporting members it are the position, joists used in supporting the iloors of buildings. It will be seen that the stud is adapted to sup- The supporting joists are spaced apart a prede- PONS Outlet bOKeS O Various SZSS 611011 aS 1/2"' termined distance, depending upon the particular boxes, .1" boxes, e- It iS necessary in installconstruction employed, and the bar hanger i o is ing outlet boxes to position the top of the box coradapted to be placed between the joists and se rectly in accordance with the level of the finished cured thereto in order to support anl electrical plaster coat or other finished surface. This iitting such as an outlet box. It frequently hapn means that the bar hanger I0 must be placed at pens, however, that the spacing between the various levels above the bottom of the joists I4 joists will vary considerably due either to the depending upon the size of the outlet box which fact that the joists are placed at odd spacings is to be supported by the bar hanger. In order or due to inequalities in the thickness of the to accomplish this result, a positioning means joists. In such situations it is necessary that the comprising a tag 221s employed which is mounted bar hanger he adjustable so that it is adaptable directly upon the Stud- T0 mllllt the DOSiOnillg for the various spacings employed. By the contag in the manner indicated a hole 23 is formed struction described it is possible to adapt the bar at one end which receives the threaded extension hanger for various spacings of the supporting il and thereafter the nut 2i is threaded on the Simili? to hold the teg in position. The te@ le formed ofipener .and is provided with indici@V i@ meked in eccordence with the size of outlet box which is to be mounted on the stud. The indicia include lines 25 which extend across the ieee of the tag end which are arranged vertically eo that they extend below the stud body, the teg being bent et the point which coincides witnthe 3/ and neng areessembled endisldlaee 'iis witnf the teg 2E mounted on the stud es shown in Figs. e end 5, end with the stud elidebly mounteifon the henger es ehown in Figs. i to 3.

According to the invention, the positioned correctly-eimplxi-by vSliding;the;,f.st1.1 i

along the henger untilftlepppriateindiceting line 2E is in alignment with the lower edge .iff'o Y,

the Supporting memberfiei'stn @di eating line is chosen tif/c'irii'olnA iiotie'size'of'oiitlet box to be mounted on the haiieeizn` For. ex-

@11% tiiejkbfe' e inchend @dime @he stud V1o easily and quickly locete e bar henger et the cor-- rect height between'supporting members having various spacings so that it may support en out= let box of any chosen size. The revereely curved ends of the bar henger ineke it universly adaptable for mounting on supporte having e wide range of specings. Not only do the curved ends of the ber henger make it possible to adjust A v Y fj 'thesiipprm but the cui'yed'l-portionsfprmit thestiid'f to be slid along to a point immediately adjacent the supporting members or joists i, so thet the indicie mey be t easily lined up with the lower edges of the members to position accurately the ends ci the bnr Singel?.

:What sw .claim as new and desire to secure by tteis'Patent of the United Stetee is:

t'eifglit [intermediate portion, one end o seid 1;;2'Glber being bent in e. curve away from sei inte?- Sub men-Shep@ Where mid bemeyrbe ad- 17xiennber-si of. various ilidediwith n.' pluiielityfoflzboles'.enteneing elone' the length' of said bei" igeeureeeieee; te seid :1i supporting nemen; I

L Alberrhenger comprising e. net ber having e 

